Characterization of an aerosol generation system to assess inhalation risks of aerosolized nano-enabled consumer products

2019 ◽  
Vol 31 (9-10) ◽  
pp. 357-367
Author(s):  
K. Pearce ◽  
W.T. Goldsmith ◽  
R. Greenwald ◽  
C. Yang ◽  
G. Mainelis ◽  
...  
Keyword(s):  
Consumer Products ◽  
Generation System ◽  
Aerosol Generation ◽  
Inhalation Risks

Manufacture of the Glass Nanopore Based on Laser Heating and Experimental Research

2016 ◽  
Vol 851 ◽  
pp. 244-248
Author(s):  
Ya Fei Zhang ◽  
Zhi Yuan Yao ◽  
Bi Cheng Wu
Keyword(s):  
Laser Heating ◽  
Chemical Method ◽  
Physical Method ◽  
Experimental Basis ◽  
Generation System ◽  
Glass Capillary ◽  
Linear Ultrasonic Motor ◽  
Capillary Tension ◽  
Through Hole

The glass nanopore produced by the physical method has better physical characteristics, higher strength, stronger stability, longer life and other significant features compared with the chemical method. The purpose of this paper is to study DNA sequencing (973 project) to provide experimental basis for preparation of glass capillary 5nm 3D nanochannel In this paper, we design a set of glass capillary tension system which is controlled by laser heating and linear ultrasonic motor and produced successfully the device for the preparation of nanopore below 50 nm. In addition, the use of micro droplet generation system has carried out preliminary characterization of nanopore drawn devices. Seen from the characterization, the nanopore device fabricated can indeed produce a through-hole.

Chemical Characterization of Recycled Consumer Products Using Suspect Screening Analysis

2021 ◽  
Author(s):  
Charles N. Lowe ◽  
Katherine A. Phillips ◽  
Kristin A. Favela ◽  
Alice Y. Yau ◽  
John F. Wambaugh ◽  
...  
Keyword(s):  
Chemical Characterization ◽  
Consumer Products ◽  
Screening Analysis ◽  
Suspect Screening

scholarly journals Characterization of Airborne Particles Emitted During Application of Cosmetic Talc Products

2019 ◽  
Vol 16 (20) ◽  
pp. 3830 ◽  
Author(s):  
Pat Rasmussen ◽  
Christine Levesque ◽  
Jianjun Niu ◽  
Howard Gardner ◽  
Gregory Nilsson ◽  
...  
Keyword(s):  
Particle Size ◽  
Consumer Products ◽  
Airborne Particles ◽  
Aerodynamic Diameter ◽  
Breathing Zone ◽  
Direct Reading ◽  
Detailed Characterization ◽  
Adult Body ◽  
Reading Instruments

A pilot study was undertaken to characterize the concentration, duration and particle size distribution of the talc cloud that forms in the personal breathing zone (PBZ) during application of certain talc-containing cosmetics. Multiple direct-reading instruments were employed to simultaneously monitor PM4 concentrations (particulate matter with aerodynamic diameter < 4 µm; mg/m3) at different distances from each of three subjects while they applied talc products. Results indicated that the purpose and method of applying the talc product, combined with behavioral and physical differences amongst subjects, all strongly influenced airborne talc concentrations and the duration of the cloud. Air concentrations of talc in the PBZ averaged around 1.0 mg/m3, and the duration of exposure varied from less than one minute to more than ten minutes. The real-time monitors captured the occasional formation of secondary clouds, likely caused by resuspension of talc particles from skin or other surfaces. Measurements of aerosolized baby powder, face powder, and two adult body powders indicated that the median aerodynamic diameter of the talc cloud ranged from 1.7 to 2.0 µm. These direct-reading approaches were valuable for providing detailed characterization of short duration exposures to airborne talc particles, and will be useful to support future exposure assessments of talc and other powders in consumer products.

Characterization of a method for aerosol generation from heavy fuel oil (HFO) as an alternative to emissions from ship diesel engines

2010 ◽  
Vol 41 (12) ◽  
pp. 1143-1151 ◽  
Author(s):  
Zhongqing Zheng ◽  
Xiaochen Tang ◽  
Akua Asa-Awuku ◽  
Heejung S. Jung
Keyword(s):  
Diesel Engines ◽  
Fuel Oil ◽  
Heavy Fuel Oil ◽  
Aerosol Generation

scholarly journals People With Autism Spectrum Conditions Make More Consistent Decisions

2017 ◽  
Vol 28 (8) ◽  
pp. 1067-1076 ◽  
Author(s):  
George D. Farmer ◽  
Simon Baron-Cohen ◽  
William J. Skylark
Keyword(s):  
Autistic Traits ◽  
Autism Spectrum ◽  
Consumer Products ◽  
Cognitive Tasks ◽  
Autism Spectrum Conditions ◽  
The Third ◽  
Adult Participants ◽  
Contextual Stimuli ◽  
Practical Implications

People with autism spectrum conditions (ASC) show reduced sensitivity to contextual stimuli in many perceptual and cognitive tasks. We investigated whether this also applies to decision making by examining adult participants’ choices between pairs of consumer products that were presented with a third, less desirable “decoy” option. Participants’ preferences between the items in a given pair frequently switched when the third item in the set was changed, but this tendency was reduced among individuals with ASC, which indicated that their choices were more consistent and conventionally rational than those of control participants. A comparison of people who were drawn from the general population and who varied in their levels of autistic traits revealed a weaker version of the same effect. The reduced context sensitivity was not due to differences in noisy responding, and although the ASC group took longer to make their decisions, this did not account for the enhanced consistency of their choices. The results extend the characterization of autistic cognition as relatively context insensitive to a new domain, and have practical implications for socioeconomic behavior.

An Aerosol Generation System for the Production of Respirable Grain Dust

1998 ◽  
Vol 13 (2) ◽  
pp. 122-126 ◽  
Author(s):  
John Volckens ◽  
Patrick T. O'Shaughnessy ◽  
David R. Hemenway
Keyword(s):  
Generation System ◽  
Aerosol Generation ◽  
Grain Dust

scholarly journals Clima laboral y su incidencia en la satisfacción de los trabajadores de una empresa de consumo masivo / Working environment and its impact on worker satisfaction of a mass consumer products company

Ciencia Unemi ◽  
2016 ◽  
Vol 9 (18) ◽  
pp. 26 ◽  
Author(s):  
Dennis Mauricio Jimenez Bonilla ◽  
Edgar Jimenez Bonilla
Keyword(s):  
Work Environment ◽  
Descriptive Analysis ◽  
Consumer Products ◽  
Working Environment ◽  
Leadership Motivation ◽  
Level Of Satisfaction ◽  
Worker Satisfaction ◽  
Para Determinar ◽  
The One

Este trabajo es un análisis descriptivo que pretende medir la caracterización del clima laboral, situación que influye en el comportamiento de los trabajadores, con la intención de potencializar las habilidades del psicólogo organizacional en el manejo favorable del talento humano de una empresa de consumo masivo. El objetivo es determinar de qué manera el clima laboral está afectando el grado de satisfacción de los empleados. Se pretende diagnosticar los niveles en que se presentan las dimensiones del clima laboral en los trabajadores de la empresa, mediante la utilización de los cuestionarios estandarizados OPS y S10/12, para determinar los niveles de Liderazgo, Motivación, Reciprocidad, Participación y Satisfacción Laboral; aplicados a 102 trabajadores de una empresa de consumo masivo, de los departamentos: administración, almacén, bodega y ventas. Los resultados indican que el clima laboral no es completamente satisfactorio. En el análisis se detecta que la mayoría de variables, en especial atención en el área de administración, se sitúa con más bajo promedio y en todas sus subvariables se presentan como no satisfactorias. AbstractThis work is a descriptive analysis that aims to measure the characterization of the work environment, a situation that influences the behavior of workers, with the intention of potentiating the skills of the organizational psychologist at the favorable management of human resources of a mass consumer products company. The objective is to determine the way in which the work environment is affecting the level of satisfaction of the workers. It is intended to diagnose the levels in which the dimensions of the work environment on workers of the company are presented, through the use of standardized questionnaires OPS and S10/12, in order to determine the levels of leadership, motivation, reciprocity, participation and job satisfaction; applied to 102 workers of a mass consumer products company who work in the following departments: administration area, storehouse, warehouse and sales. The results show that the working environment is not completely satisfactory. The analysis detected that most variables, specially the one of the administration area, stands with the lowest average and all its sub-variables are presented as unsatisfactory.

Evaluating the risks associated with nanomaterials

2017 ◽  
Author(s):  
K. Thomas ◽  
N. Monteiro-Riviere ◽  
D. Warheit ◽  
N. Savage
Keyword(s):  
Exposure Assessment ◽  
Research Priorities ◽  
Industrial Applications ◽  
Consumer Products ◽  
Environmental Risks ◽  
Consumer Electronics ◽  
Systematic Evaluation ◽  
Pulmonary Exposure ◽  
Therapeutic Delivery

This article discusses the risks associated with nanomaterials. The use of nanomaterials in consumer products and industrial applications is becoming more prevalent owing to their range of benefits. Nanomaterials have found uses in energy production, home appliances, water treatment, novel therapeutic delivery techniques and dietary supplements, consumer electronics, and sports equipment. While considerable attention has been given to the likely commercial advantages associated with nanomaterials, less emphasis has been placed on the development of a systematic approach for characterizing the human health and environmental risks from exposure to nanomaterials. This article first considers the use of nanomaterials in consumer products and the characterization of nanomaterials before describing a systematic evaluation of the hazards associated with nanomaterials. It also examines pulmonary exposure assessment and dermal exposure assessment, along with risk assessment for exposure to nanomaterials. Finally, it outlines research priorities for the development of more refined estimates of nanomaterial risk.

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